Examples with PropositionalTheory com.sri.ai.grinder.theory.propositional.PropositionalTheory used on opensource projects

Example 6 with PropositionalTheory

use of com.sri.ai.grinder.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class SampleCommonInterpreterTest method setUp.

@Before
public void setUp() {
    // Make tests repeatable
    random = new Random(1);
    context = new TrueContext(new CompoundTheory(new DifferenceArithmeticTheory(false, false), new LinearRealArithmeticTheory(false, false), new EqualityTheory(false, false), new PropositionalTheory()));
}

Example 7 with PropositionalTheory

use of com.sri.ai.grinder.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class BoundsTest method declareTheoryContextAndSetOfFactors.

@Before
public void declareTheoryContextAndSetOfFactors() {
    ExpressoConfiguration.setDisplayNumericsExactlyForSymbols(true);
    extensionalBound = new DefaultExtensionalBound();
    intensionalBound = new DefaultIntensionalBound();
    theory = new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, false), new LinearRealArithmeticTheory(false, false), new TupleTheory(), new PropositionalTheory());
    context = new TrueContext(theory);
    context = context.extendWithSymbolsAndTypes("X", "Boolean");
    context = context.extendWithSymbolsAndTypes("Y", "Boolean");
    context = context.extendWithSymbolsAndTypes("A", "Boolean");
    context = context.extendWithSymbolsAndTypes("B", "Boolean");
    context = context.extendWithSymbolsAndTypes("C", "1..5");
    // context = context.extendWithSymbolsAndTypes("D","{1,3,4,8}");
    // Set of functions
    Expression phi1 = parse("if X = true then 1 else if Y = true then 2 else 3");
    Expression phi2 = parse("if A = true then if Y = true then 4 else 5 else 6");
    Expression phi3 = parse("if X = true then 7 else if B = true then 8 else 9");
    Expression phi4 = parse("if B = true then 10 else if A = true then 11 else 12");
    Expression phi5 = parse("if C < 4 then 10 else if C = 4 then 11 else 12");
    /*
		 * This is how we create a non empty extensional bound
		 */
    setOfFactors = new DefaultExtensionalBound(arrayList(phi1, phi2, phi3, phi4, phi5));
    // Set of numbers
    setOfNumbers = new DefaultExtensionalBound(arrayList(ONE, TWO));
    Set<Expression> factor = new HashSet<Expression>();
    model = new Model(factor);
    model.context = model.context.extendWithSymbolsAndTypes("A", "Boolean");
    model.context = model.context.extendWithSymbolsAndTypes("B", "Boolean");
    model.context = model.context.extendWithSymbolsAndTypes("Q", "Boolean");
    model.context = model.context.extendWithSymbolsAndTypes("C", "1..4");
    model.context = model.context.extendWithSymbolsAndTypes("D", "6..9");
    intensionalSetOfFactors1 = new DefaultIntensionalBound(arrayList(parse("A' in Boolean"), parse("C' in 1..5")), parse("if C = C' then if A = A' then 1 else 4 else 0"), TRUE);
    intensionalSetOfFactors2 = DefaultIntensionalBound.simplex(arrayList(parse("A")), model);
    intensionalSetOfFactors3 = DefaultIntensionalBound.simplex(arrayList(parse("C"), parse("B")), model);
}

Example 8 with PropositionalTheory

use of com.sri.ai.grinder.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class ExpressionStepSolverToLiteralSplitterStepSolverAdapterTest method testPropositionalTheoryWithRandomDisjunctiveFormulas.

@Test
public void testPropositionalTheoryWithRandomDisjunctiveFormulas() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new PropositionalTheory());
    extendTestingVariables("P", theoryTestingSupport, "S", "T", "U", "V", "W", "X", "Y", "Z");
    runRandomDisjunctiveFormulasTest(theoryTestingSupport);
}

Example 9 with PropositionalTheory

use of com.sri.ai.grinder.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method advancedPropositionalTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedPropositionalTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new PropositionalTheory());
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("P", BOOLEAN_TYPE, "Q", BOOLEAN_TYPE, "R", BOOLEAN_TYPE, "unary_prop/1", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE), "binary_prop/2", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE, BOOLEAN_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_prop(P, unary_prop(P))"), parse("binary_prop(unary_prop(Q), Q)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("not P and Q and not unary_prop(true) and unary_prop(false)"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}

Example 10 with PropositionalTheory

use of com.sri.ai.grinder.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method advancedCompositeTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedCompositeTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, true), new LinearRealArithmeticTheory(false, true), new PropositionalTheory()));
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("P", BOOLEAN_TYPE, "Q", BOOLEAN_TYPE, "R", BOOLEAN_TYPE, "unary_prop/1", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE), "binary_prop/2", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE, BOOLEAN_TYPE), "S", TESTING_CATEGORICAL_TYPE, "T", TESTING_CATEGORICAL_TYPE, "U", TESTING_CATEGORICAL_TYPE, "unary_eq/1", new FunctionType(TESTING_CATEGORICAL_TYPE, TESTING_CATEGORICAL_TYPE), "binary_eq/2", new FunctionType(TESTING_CATEGORICAL_TYPE, TESTING_CATEGORICAL_TYPE, TESTING_CATEGORICAL_TYPE), "I", TESTING_INTEGER_INTERVAL_TYPE, "J", TESTING_INTEGER_INTERVAL_TYPE, "K", TESTING_INTEGER_INTERVAL_TYPE, "unary_dar/1", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE), "binary_dar/2", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE), "X", TESTING_REAL_INTERVAL_TYPE, "Y", TESTING_REAL_INTERVAL_TYPE, "Z", TESTING_REAL_INTERVAL_TYPE, "unary_lra/1", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE), "binary_lra/2", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_prop(P, unary_prop(P))"), parse("binary_prop(unary_prop(Q), Q)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("not P and Q and not unary_prop(Q) and unary_prop(P)"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("P and Q and not unary_prop(Q) and unary_prop(P)"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
}